向一定量的铜和三氧化二铁的混合物中加入200mL 1.5molL的稀硫酸,完

向一定量的铜和三氧化二铁的混合物中加入200mL 1.5molL的稀硫酸,完全反应后固体无剩余,所得溶液中只有两种溶质,假设反应前后溶液体积不变,则下列说法错误的是

A.原混合物中CuFe2O3的质量之比为25

B.反应后的溶液中CuSO4的物质的量的浓度为1mol/L

C.若用CO还原等质量的原混合物,充分反应后,质量将减少4.8

D.若向反应后的溶液加酸性KMnO4溶液(此条件下还原产物为Mn2+),完全反应后,将消耗KMnO4 0.04mol

答案

B

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